lijiaxuan_的博客

下列程序的运行结果class Two{ Byte x;}public class Student { public static void main(String[] args) { Student student = new Student(); student.start(); } void start() { Two two = new Two(); System.out.print(two.x +" "); Two two2 = fix(two); Syste

以下的输出是什么？为什么？public static void main(String[] args) { int a = 10; int b = 10; Integer a1 = 10; Integer b1 = 10; Integer a2 = new Integer(10); Integer b2 = new Integer(10); System.out.println(a == b); // T 基本数据类型 == 比较值

简述每一个输出的原因public class A { public String Show(D obj) { return "A and D"; } public String Show(A obj) { return "A and A"; }}public class B extends A{ public String Show(Object obj) { return "B and B"; }public String Show(A obj) { r

【练习题】01.类的成员变量 猜数字游戏一个类A有一个成员变量v有一个初值100。定义一个类对A类的成员变量v进行猜。如果大了则提示大了小了则提示小了。等于则提示猜测成功。import java.util.*;public class lianxi{ public static void main(String[] dsa) { A a=new A(); Scanner input=new Scanner(System.in); while (1==1)